Flue duct connector



FIG. 1 is a perspective view of a flue duct connector showing our new design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being identical thereto;

FIG. 4 is a front elevational view, the rear elevational view being identical thereto; and,

FIG. 5 is a perspective view thereof in a use condition.

The broken lines in FIG. 5 illustrating attachments to the planar surfaces of the flue duct connector depict environmental subject matter included to show the design in a position of use and form no part of the clamed design. 

CLAIM The ornamental design for a flue duct connector, shown and described. 